Roman History. A public religious ceremony of thanksgiving (typically to honour a victorious general) or intercession (in time of war, after…

A public celebration, with religious services, held as a solemn acknowledgement of Divine favours; also, a day set apart for this purpose; spec. in…

With a and in plural Te Deums, in reference to a recital of this, or (allusively) to any public utterance of praise to God; also, a service of…